diff --git a/local-dev/_diag.sh b/local-dev/_diag.sh
new file mode 100755
index 0000000..bfcbcb8
--- /dev/null
+++ b/local-dev/_diag.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+ssh -o BatchMode=yes -o ConnectTimeout=15 aidev@chatbot.exdev.co.kr 'bash -s' <<'EOSSH'
+export PATH="/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/Applications/Docker.app/Contents/Resources/bin:$PATH"
+echo "=== listening ports ==="
+for p in 16000 16001 16002 27017 1521 28012 28013 8086 8083 8092 443; do
+  if lsof -iTCP:$p -sTCP:LISTEN >/dev/null 2>&1; then echo "UP    :$p"; else echo "DOWN  :$p"; fi
+done
+echo "=== docker ps ==="
+docker ps --format '{{.Names}}\t{{.Status}}' 2>&1 | head -20
+echo "=== docker compose plugin ==="
+docker compose version 2>&1 | head -2
+echo "=== public-ai timestamp ==="
+ls -la /Users/aidev/dev/exAichatbot_agent/chatbotApp-chatbot2.0-agent/public-ai/index.html 2>/dev/null || echo "(missing)"
+echo "=== HTTPS UI ==="
+curl -s -o /dev/null -w 'https=%{http_code}\n' -m 10 https://chatbot.exdev.co.kr/chatbot/ai/ 2>&1
+EOSSH
diff --git a/local-dev/bin/rsync b/local-dev/bin/rsync
index e06c35d..7fe4620 100755
--- a/local-dev/bin/rsync
+++ b/local-dev/bin/rsync
@@ -103,7 +103,9 @@ REMOTE_PATH="${REMOTE_PATH%/}"
 
 TAR_EXCLUDES=()
 for pat in "${EXCLUDES[@]}"; do
-  TAR_EXCLUDES+=(--exclude "${pat}")
+  # tar 의 --exclude 는 'node_modules/' 처럼 슬래시로 끝나면 디렉터리에 매칭되지 않는다.
+  # (rsync 문법 그대로 넘기면 node_modules 가 통째로 전송돼 메모리 부족으로 죽는다)
+  TAR_EXCLUDES+=(--exclude "${pat%/}")
 done
 
 ssh -o BatchMode=yes "${HOST}" "mkdir -p '${REMOTE_PATH}'"
diff --git a/local-dev/fix_and_start.sh b/local-dev/fix_and_start.sh
new file mode 100755
index 0000000..bd8faac
--- /dev/null
+++ b/local-dev/fix_and_start.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+export PATH="/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/Applications/Docker.app/Contents/Resources/bin:/usr/bin:/bin:/usr/sbin:/sbin"
+cd /Users/aidev/dev/exAichatbot_agent
+
+git config core.autocrlf false
+git config core.eol lf
+
+python3 - << 'PYEOF'
+import os
+for d in ['kakaoChatbotSkill-chatbot2.0-agent','chatbotApi-chatbot2.0-agent']:
+    f = d+'/gradlew'
+    if os.path.exists(f):
+        data=open(f,'rb').read().replace(b'\r\n',b'\n').replace(b'\r',b'\n')
+        open(f,'wb').write(data)
+        os.chmod(f,0o755)
+        print('fixed:', f)
+PYEOF
+
+bash server-dev/start-all-server.sh --no-pull --no-push --skip-desktop
diff --git a/server-dev/sync-submodules-rsync.sh b/server-dev/sync-submodules-rsync.sh
index 6240ec6..ef41693 100755
--- a/server-dev/sync-submodules-rsync.sh
+++ b/server-dev/sync-submodules-rsync.sh
@@ -61,4 +61,20 @@ if [[ -d "${ROOT_DIR}/chatbotApp-chatbot2.0-agent/public-ai" ]]; then
     "${EXDEV_SSH}:${REMOTE_WT}/chatbotApp-chatbot2.0-agent/public-ai/"
 fi
 
+# Windows 체크아웃(core.autocrlf)에서 넘어온 CRLF 는 macOS 에서
+# "/bin/sh^M: bad interpreter" 로 죽는다. 전송 후 실행 진입점만 LF 로 강제한다.
+log "원격 실행 스크립트 LF 정규화..."
+ssh -o BatchMode=yes "${EXDEV_SSH}" "bash -s" <<EOSSH
+set -e
+WT="${REMOTE_WT}"
+for f in \$(find "\${WT}" -name gradlew -not -path '*/node_modules/*' 2>/dev/null) \
+         \$(find "\${WT}" -name '*.sh' -not -path '*/node_modules/*' 2>/dev/null); do
+  if head -c 4000 "\$f" | grep -q \$'\r'; then
+    tr -d '\r' < "\$f" > "\$f.lf" && mv "\$f.lf" "\$f"
+    echo "  LF 변환: \$f"
+  fi
+  chmod +x "\$f" 2>/dev/null || true
+done
+EOSSH
+
 log "✅ submodule rsync 완료"